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Posted to dev@subversion.apache.org by ro...@animalcules.com on 2002/12/08 19:10:55 UTC

Issue 1027


Patch for issue 1027

Posted by ro...@animalcules.com.
> how about putting together a patch and a log message for it?  i'll be 
> happy to review and commit it for you.

	* subversion/clients/cmdline/util.c
	
	(svn_cl__get_log_message): 
	Initialize block variable msg2 to NULL.


Index: subversion/clients/cmdline/util.c
===================================================================
--- subversion/clients/cmdline/util.c   (revision 4054)
+++ subversion/clients/cmdline/util.c   (working copy)
@@ -406,7 +406,7 @@
       int i;
       svn_stringbuf_t *tmp_message = svn_stringbuf_create (default_msg, pool);
       svn_error_t *err = NULL;
-      const char *msg2;  /* ### shim for svn_cl__edit_externally */
+      const char *msg2 = NULL;  /* ### shim for svn_cl__edit_externally */

       for (i = 0; i < commit_items->nelts; i++)
         {

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Re: Issue 1027

Posted by Garrett Rooney <ro...@electricjellyfish.net>.
On Sunday, December 8, 2002, at 02:10 PM, rotering@animalcules.com 
wrote:

>> From the description of issue 1027:
>
>         file: subversion/clients/cmdline/util.c
>         line: 447
>         function: svn_cl__get_log_message
>
>         msg2 is never set to NULL and if svn_cl__get_log_message fails 
> msg2 is
>         not effected.  A more appropriate check would be if(!err)
>
> Initializing msg2 to NULL would fix this problem as well as a similar
> one on line 476.
>
> Just to clarify the effect of this bug:
>
> If svn_cl__edit_externally() on line 445 fails and msg2 happens to be
> nonzero (because it's uninitialized) the call to strlen on line 455
> raises SIGSEGV.

it sure looks like a bug to me.

how about putting together a patch and a log message for it?  i'll be 
happy to review and commit it for you.

-garrett


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